Home / 13,608,083.70-20,412,125.55-11,057,166.90

Finding the Fourth Proportional to 13,608,083.70, 20,412,125.55 and 11,057,166.90

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Solution

The fourth proportional to 13,608,083.70, 20,412,125.55 and 11,057,166.90 is: 16,585,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,083.70 : 20,412,125.55 = 11,057,166.90 : x
  2. Step 2: Convert to fraction form
    13,608,083.70/20,412,125.55 = 11,057,166.90/x
  3. Step 3: Cross multiply
    13,608,083.70x = 20,412,125.55 × 11,057,166.90
  4. Step 4: Simplify right side
    13,608,083.70x = 225,700,278,990,104.31
  5. Step 5: Solve for x
    x = 225,700,278,990,104.31/13,608,083.70
  6. Step 6: Final answer
    x = 16,585,750.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.